Prevalence and Comorbidity of Anxiety and Depressive Disorders in Studies of PRIME-MD and PHQ (Patient Health Questionnaire) in Japan

*Kumiko Muramatsu, Hitoshi Miyaoka, Kunitoshi Kamijima, Yoshiyuki Muramatsu, Katsuya Fuse, Fumitoshi Yoshimine, Ichiro Mashima, Yutaka Tanaka, Michio Hosaka, Kikuchi Toshiaki, Natsue Shimizu and Shigeji Baba*
